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@ 2013-12-09T20:12:40Z

<?php
$a = array('leg1'=>'LA', 'leg2'=>'NY', 'leg3'=>'NY', 'leg4'=>'FL');

do {
        echo key($a) . ":" . $current; // leg2:NY
    
        $next = next($a);
        echo key($a) . ":" . $next; // leg3:NY
    
        $nextnext = next($a);
        echo key($a) . ":" . $nextnext; // leg4:FL
    } while($current = next($a));

Output
Performance
VLD
References
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key: documentation ( source)
next: documentation ( source)

preferences:dark modelive preview

36.54 ms | 402 KiB | 5 Q